Solve the problem.One airplane is approaching an airport from the north at 148 km/hr. A second airplane approaches from the east at 199 km/hr. Find the rate at which the distance between the planes changes when the southbound plane is 36 km away from the airport and the westbound plane is 17 km from the airport.
A. 874 km/hr
B. 106 km/hr
C. 219 km/hr
D. 755 km/hr
Answer: C
Mathematics
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